.h-vh-100{height:100dvh;overflow:hidden;box-sizing:border-box}
#index-section{display:flex;flex-direction:column;justify-content:space-between}
.header-wrapper{flex:1;overflow:hidden}
.arena_container{background:url(/images/giftcode/giftcode.jpg) center/cover no-repeat fixed;color:#fff;display:flex!important;flex-direction:column;height:100%;width:100%;box-sizing:border-box}
.arena_center{display:flex;flex-direction:column;flex:1;height:100%;width:100%;box-sizing:border-box;position:relative}
.arena_center::before{content:"";position:absolute;inset:0;background:rgba(0,0,0,1);pointer-events:none;z-index:1;opacity:1;transition:opacity 0.3s ease-out}
.arena_center.loaded::before{animation:fadeOverlay 3s ease-out forwards}
@keyframes fadeOverlay{0%{opacity:1}100%{opacity:0.5}}
.arena_opponent,.arena_user{flex:0 0 auto;display:grid;grid-template-columns:repeat(5,1fr);grid-template-rows:1fr;gap:4px;padding:4px;box-sizing:border-box;align-items:center;justify-items:center;position:relative;overflow:visible}
.arena_opponent{direction:rtl}
.arena_board{flex:1;overflow:hidden;display:flex;flex-direction:column;justify-content:space-around;position:relative}
.arena_board_slot{display:flex!important;flex-wrap:wrap;justify-content:center;align-content:center;align-items:center;box-sizing:border-box;height:100%}
.slot{aspect-ratio:3/4;background:rgba(255,255,255,0.1);border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all 0.3s ease;position:relative;box-sizing:border-box;z-index:1;width:100%;height:auto}
.slot:hover,.arena_opponent .slot:hover,.arena_board_slot .slot:hover{border-color:rgba(255,255,255,0.3);transform:none;z-index:1}
.arena_board_slot .slot{aspect-ratio:3/4;background-image:url('/images/arena/battle/slot.webp');background-size:cover;background-position:center;background-repeat:no-repeat;box-sizing:border-box}
.arena_board_slot .slot:not(.empty){background:url('/images/arena/battle/slot.webp') center/cover no-repeat!important}
.arena_board_slot .slot.placed{background:radial-gradient(circle at center,rgba(255,255,255,0.15) 0%,transparent 70%),url('/images/arena/battle/slot.webp') center/cover no-repeat!important}
.arena_board_slot .slot-card{width:85%;height:85%;margin:auto;display:block;border-radius:5px}
.arena_board_slot .slot .card-stats{transform:scale(0.85);transform-origin:center;z-index:3}
.loading-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.7);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:10;color:#fff;font-size:18px;font-weight:bold;text-align:center}
.loading-text{animation:blink 1.5s ease-in-out infinite}
@keyframes blink{0%,50%{opacity:1}51%,100%{opacity:0.3}}
.card{position:absolute;top:50%;transform:translateY(-50%);width:60px;height:80px;background:transparent;border:2px solid rgba(255,255,255,0.5);border-radius:4px;z-index:20;display:flex;align-items:center;justify-content:center;font-size:10px;color:#000}
.card img{width:100%;height:100%;object-fit:cover;border-radius:4px}
.card.user-draw,.card.opponent-draw{animation:none}
.slot:not(.empty)::before{display:none}
.slot-card{width:100%;height:100%;object-fit:cover;border-radius:6px;display:block}
.slot:not(.empty){background:transparent;border:2px solid rgba(255,255,255,0.5);transition:border-color 0.3s ease}
.arena_opponent .slot.empty,.arena_user .slot.empty{border:none;background:transparent}
.arena_opponent .slot.empty::before,.arena_user .slot.empty::before{display:none}
.hidden{opacity:0;visibility:hidden;transition:opacity 0.3s ease,visibility 0.3s ease}
.arena_opponent .slot:not(.empty),.arena_user .slot:not(.empty){opacity:1;visibility:visible}
.arena_opponent .card-stats{opacity:0!important}
.arena_user .slot.selected{transform:translateY(-20px);z-index:15;transition:transform 0.3s ease}
.board-click-gif{position:absolute;top:70%;left:70%;transform:translate(-50%,-50%);width:80%;height:80%;z-index:5;pointer-events:none}
.board-click-gif img{width:100%;height:100%;object-fit:contain}
.placing-card{background:transparent;border:2px solid rgba(255,255,255,0.5);border-radius:6px;transition:transform 450ms cubic-bezier(0.22,0.61,0.36,1)!important;will-change:transform;backface-visibility:hidden}
.placing-card img{width:100%;height:100%;object-fit:cover;border-radius:4px}
.placing-card-ready{transition:transform 800ms ease-in-out!important;will-change:transform,opacity;backface-visibility:hidden}
.opponent-place{transform:rotate(180deg)}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
.placing-user,.placing-opponent{border-radius:8px!important}
.turn-timer,.opponent-turn-timer,.score-display{position:absolute;background:rgba(0,0,0,.7);color:#fff;padding:8px 12px;border-radius:8px;font-weight:bold;font-size:24px;z-index:30;pointer-events:none;animation:pulse 1s infinite}
.turn-timer{top:10px;right:10px}
.opponent-turn-timer{top:10px;left:10px;background:rgba(255,0,0,.8)}
.score-display{top:5px;font-size:40px;font-family:Arial,sans-serif;display:grid;grid-template-columns:repeat(3,1fr);gap:5px;flex-direction:center;align-items:center;text-align:center;opacity:0;transition:opacity 0.3s ease}
.score-display.show{opacity:1}
.score-display .opp-score{color:#4488ff;font-weight:bold;text-align:center}
.score-display .user-score{color:#ff4444;font-weight:bold;text-align:center}
.win-gif{width:24px}
.slot.placed{border:2px solid transparent!important;background:radial-gradient(circle at center,rgba(255,255,255,0.15) 0%,transparent 70%)}
.slot.placed.opponent-placed .slot-card{border:3px solid #4488ff!important;box-shadow:rgba(0,0,0,0.19) 0 10px 20px,rgba(0,0,0,0.23) 0 6px 6px;filter: drop-shadow(0 0 5px #4488ff);}
.slot.placed.user-placed .slot-card{border:3px solid #ff4444!important;box-shadow:rgba(0,0,0,0.19) 0 10px 20px,rgba(0,0,0,0.23) 0 6px 6px;filter: drop-shadow(0 0 5px #ff4444);}
.card-stats{position:absolute;height:100%;width:100%;display:flex;flex-direction:column;align-items:center}
.card-stats span{text-shadow:3px 2px 2px #000;font-weight:700;font-family:'Font Awesome 5 Free'}
.card-stats span::after{content:attr(data-val)}
.card-stats .hp::after,.card-stats .atk::after,.card-stats .def::after,.card-stats .spd::after{background-size:cover!important;background-position:center!important;background-repeat:no-repeat!important;display:flex;align-items:center;justify-content:center;border-radius:50%;box-sizing:border-box;text-align:center;line-height:1;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(3px);border:1px solid var(--swal2-backdrop);outline:1px solid var(--swal2-backdrop)}
.card-stats .atk,.card-stats .spd{position:absolute;top:50%;transform:translateY(-50%)}
.card-stats .atk{right:0}
.card-stats .def{position:absolute;bottom:0}
.card-stats .spd{left:0}
.card-stats .hp::after{background:linear-gradient(rgba(0,0,0,0.5),rgba(0,0,0,0.5)),url('/images/arena/stats/hp.gif');box-shadow:var(--orange) 0 5px 15px}
.card-stats .atk::after{background:linear-gradient(rgba(0,0,0,0.5),rgba(0,0,0,0.5)),url('/images/arena/stats/atk.gif');box-shadow:var(--danger) 0 5px 15px}
.card-stats .def::after{background:linear-gradient(rgba(0,0,0,0.5),rgba(0,0,0,0.5)),url('/images/arena/stats/def.gif');box-shadow:var(--indigo) 0 5px 15px}
.card-stats .spd::after{background:linear-gradient(rgba(0,0,0,0.5),rgba(0,0,0,0.5)),url('/images/arena/stats/spd.gif');box-shadow:var(--success) 0 5px 15px}
.share-static .card-stats .hp::after{background:linear-gradient(rgba(0,0,0,0.5),rgba(0,0,0,0.5)),url('/images/arena/stats/hp.png');box-shadow:var(--orange) 0 5px 15px}
.share-static .card-stats .atk::after{background:linear-gradient(rgba(0,0,0,0.5),rgba(0,0,0,0.5)),url('/images/arena/stats/atk.png');box-shadow:var(--danger) 0 5px 15px}
.share-static .card-stats .def::after{background:linear-gradient(rgba(0,0,0,0.5),rgba(0,0,0,0.5)),url('/images/arena/stats/def.png');box-shadow:var(--indigo) 0 5px 15px}
.share-static .card-stats .spd::after{background:linear-gradient(rgba(0,0,0,0.5),rgba(0,0,0,0.5)),url('/images/arena/stats/spd.png');box-shadow:var(--success) 0 5px 15px}
.create-personal-card .stats-text.unknown-stat::after{content:'?'!important;color:#aaa;font-style:italic;font-weight:900}
.create-personal-card .stats-text.unknown-stat{color:transparent!important}
.conquered-flash{animation:conquered-flash 0.5s ease-in-out}
@keyframes conquered-flash{0%,100%{box-shadow:0 0 0 rgba(255,215,0,0);transform:scale(1)}50%{box-shadow:0 0 20px rgba(255,215,0,0.8);transform:scale(1.05)}}
.terrain-element{position:absolute;bottom:0;right:0;font-size:20px;z-index:10;pointer-events:none;animation:elementPulse 2s infinite}
.terrain-element img{width:30px}
@keyframes elementPulse{0%,100%{opacity:0.7;transform:scale(1)}50%{opacity:1;transform:scale(1.1)}}
.element-fire{color:#ff4500}
.element-water{color:#00bfff}
.element-ice{color:#add8e6}
.element-wind{color:#87ceeb}
.element-lightning{color:#ffd700}
.element-earth{color:#8b4513}
.element-light{color:#fffacd}
.element-dark{color:#2f4f4f}
.element-poison{color:#32cd32;animation-duration:1s}
.poison-bg,.heart-bg{position:absolute;top:50%;left:50%;width:60px;height:60px;background:rgba(0,0,0,0.6);border-radius:50%;transform:translate(-50%,-50%);z-index:18;pointer-events:none;animation:elementFlash 0.8s ease-out forwards}
.poison-minus,.heart-plus{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:24px;font-weight:bold;text-shadow:2px 2px 4px rgba(0,0,0,0.8);animation:elementFlash 0.8s ease-out forwards;z-index:20;pointer-events:none}
.poison-minus{color:#ff0000}
.heart-plus{color:#fd7e14}
@keyframes elementFlash{0%{opacity:0;transform:translate(-50%,-50%) scale(0.5)}20%{opacity:1;transform:translate(-50%,-50%) scale(1.2)}80%{opacity:1;transform:translate(-50%,-50%) scale(1)}100%{opacity:0;transform:translate(-50%,-50%) scale(1.5) translateY(-30px)}}
.post-match-overlay{position:absolute;inset:0;backdrop-filter:blur(5px);z-index:998;animation:fadeIn 0.6s ease-out;background-image:linear-gradient(rgba(20,20,40,0.8),rgba(20,20,40,0.8)),url(/images/arena/battle/arena-choose.gif),linear-gradient(rgba(0,0,0,0.5),rgba(0,0,0,0.5));background-size:100% auto;background-repeat:no-repeat;background-position:center}
.post-match-stats{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);height:100%;z-index:999;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:20px;animation:popIn 0.8s ease-out;padding:10px}
.match-result{position:relative;font-size:60px;font-weight:bold;letter-spacing:4px}
.new-score-display{display:flex;align-items:center;gap:20px;font-size:48px;font-weight:bold}
.new-score-display .opp-score{color:#4488ff}
.new-score-display .user-score{color:#ff4444}
.rank-update{width:100%;font-size:24px;display:flex;justify-content:center;align-items:center}
.rank-up{color:#00ff00}
.rank-down{color:#ff6600}
.rewards-row{display:flex;align-items:center;justify-content:center;gap:10px;width:100%}
.reward-item{width:60px;aspect-ratio:1 / 1;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:14px}
.reward-item img{width:100%;height:100%;object-fit:cover;border-radius:5px;border:3px double #ffd700;box-shadow:0 0 15px rgba(255,215,0,0.6)}
.cards-exp{width:100%}
.card-previews{display:flex;gap:10px;justify-content:center;width:100%;align-items:center}
.card-preview{position:relative;display:flex;flex-direction:column;gap:5px;width:100%}
.card-preview img{width:100%;height:100%;aspect-ratio:3 / 4;object-fit:cover;border:1px double var(--swal2-footer-border-color);border-radius:8px;overflow:hidden;box-shadow:0 0 10px var(--swal2-footer-border-color)}
.next-level{width:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;padding-top:2px;flex-shrink:0;gap:2px}
.progress-bar{position:relative;width:100%;height:7px;background:rgba(0,0,0,0.5);border-radius:5px;overflow:hidden;border:1px solid #cccccc5c}
.progress-fill{height:100%;background:linear-gradient(90deg,#f8f9fa,var(--orange));border-radius:2px;transition:width 1.2s cubic-bezier(0.25,0.46,0.45,0.94)}
.exp-on-card{font-size:12px;color:#ffc107}
.level-display{position:absolute;top:2px;right:2px;font-size:10px;color:#ffd700;font-weight:bold;text-shadow:1px 1px 2px #000;z-index:2;background:rgba(0,0,0,0.5);padding:1px 4px;border-radius:3px}
.card-preview.level-flash{animation:levelFlash 0.5s ease-in-out}
.match-buttons{width:100%;display:flex;gap:20px;justify-content:center;align-items:center}
.match-buttons button{padding:10px;font-size:22px;font-weight:900;letter-spacing:2px;text-transform:uppercase;border-radius:12px;cursor:pointer;text-shadow:2px 2px 4px #000;border:4px double var(--swal2-footer-border-color);background:linear-gradient(145deg,#2c2c5e,#1a1a3a);color:var(--swal2-footer-border-color);box-shadow:0 0 20px var(--swal2-footer-border-color);transition:all 0.3s cubic-bezier(0.25,0.46,0.45,0.94);position:relative;overflow:hidden}
.match-buttons button:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(255,215,0,0.8)}
.match-buttons button:active{transform:translateY(1px)}
.waiting-indicator{position:absolute;top:-20px;left:50%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:5px;background:rgba(0,0,0,0.7);border-radius:50px;white-space:nowrap;z-index:10}
.opponent-img{width:30px;height:30px;object-fit:cover;border-radius:50%}
.text-waiting{padding:5px;font-size:12px;animation:blink 1.5s ease-in-out infinite}
.btn-fight-again,.btn-leave{background:url(/images/arena/battle/vs-button.webp) center center / 100% 100% no-repeat;padding:20px;font-weight:900;text-transform:uppercase;text-shadow:2px 2px 4px #000;color:var(--swal2-footer-border-color);transition:all 0.3s cubic-bezier(0.25,0.46,0.45,0.94);position:relative;overflow:hidden;text-align:center;filter:drop-shadow(0 0 20px var(--blue));cursor:pointer}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes popIn{0%{transform:translate(-50%,-50%) scale(0.5);opacity:0}80%{transform:translate(-50%,-50%) scale(1.05)}100%{transform:translate(-50%,-50%) scale(1);opacity:1}}
.match-result.win{position:relative}
.match-result.win::before{content:'THẮNG';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:transparent;-webkit-text-stroke:1px #a8a8a8;text-stroke:1px #a8a8a8;z-index:1}
.match-result.win::after{content:'THẮNG';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:inherit;font-weight:bold;letter-spacing:4px;background:linear-gradient(45deg,var(--orange),var(--orange),var(--yellow));background-size:400% 400%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:winanimate 1.8s ease-in-out infinite;z-index:2}
.match-result.lose{position:relative}
.match-result.lose::before{content:'THUA';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:transparent;-webkit-text-stroke:1px #a8a8a8;text-stroke:1px #a8a8a8;z-index:1}
.match-result.lose::after{content:'THUA';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:inherit;font-weight:bold;letter-spacing:4px;background:linear-gradient(45deg,var(--orange),var(--orange),var(--yellow));background-size:400% 400%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:loseanimate 1.8s ease-in-out infinite;z-index:2}
.match-result.draw{position:relative}
.match-result.draw::before{content:'HÒA';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:transparent;-webkit-text-stroke:1px #a8a8a8;text-stroke:1px #a8a8a8;z-index:1}
.match-result.draw::after{content:'HÒA';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:inherit;font-weight:bold;letter-spacing:4px;background:linear-gradient(45deg,var(--orange),var(--orange),var(--yellow));background-size:400% 400%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:drawanimate 1.8s ease-in-out infinite;z-index:2}
@keyframes drawanimate{0%,100%{clip-path:polygon(0% 45%,16% 44%,33% 50%,54% 60%,70% 61%,84% 59%,100% 52%,100% 100%,0% 100%)}50%{clip-path:polygon(0% 60%,15% 65%,34% 66%,51% 62%,67% 50%,84% 45%,100% 46%,100% 100%,0% 100%)}}
@keyframes loseanimate{0%,100%{clip-path:polygon(0% 70%,16% 69%,33% 75%,54% 85%,70% 86%,84% 84%,100% 77%,100% 100%,0% 100%)}50%{clip-path:polygon(0% 85%,15% 90%,34% 91%,51% 87%,67% 75%,84% 70%,100% 71%,100% 100%,0% 100%)}}
@keyframes winanimate{0%,100%{clip-path:polygon(0% 20%,16% 19%,33% 25%,54% 35%,70% 36%,84% 34%,100% 27%,100% 100%,0% 100%)}50%{clip-path:polygon(0% 35%,15% 40%,34% 41%,51% 37%,67% 25%,84% 20%,100% 21%,100% 100%,0% 100%)}}
@keyframes levelFlash{0%,100%{box-shadow:0 0 5px #ffd700;transform:scale(1)}50%{box-shadow:0 0 20px #ffd700,0 0 30px #ff4500;transform:scale(1.05)}}
.rank-neutral{color:#ffd700}
.arena_battle_info{z-index:1}
.arena_battle_score{opacity: 0;visibility: hidden;transition: opacity 0.8s;display:flex;align-items:center;justify-content:center;gap:10px;font-size:40px;font-weight:bold;background:rgba(0,0,0,0.6);border-radius:12px;backdrop-filter:blur(4px);margin:10px;flex-shrink:0;z-index:20;pointer-events: none}
.arena_battle_score .battle-opp-score{color:#4488ff;/* xanh dương - đối thủ */}
.arena_battle_score .battle-user-score{color:#ff4444;/* đỏ - người chơi */}
.arena_battle_score .win-gif{width:30px;height:30px}
.decide-turn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:30;background:rgba(0,0,0,0.8);color:white;padding:20px 40px;border-radius:12px;font-size:20px;font-weight:bold;text-shadow:2px 2px 4px #000;pointer-events:none;opacity:0;animation:fadeInOut 3s ease-in-out forwards}.turn-guide{position:absolute;top:60%;left:50%;transform:translate(-50%,-50%);z-index:30;background:rgba(0,0,0,0.7);color:#ffd700;padding:15px 30px;border-radius:10px;font-size:18px;font-weight:bold;text-shadow:2px 2px 4px #000;pointer-events:none;max-width:80%;text-align:center}@keyframes fadeInOut{0%{opacity:0}20%{opacity:1}80%{opacity:1}100%{opacity:0}}.first-turn-highlight{filter: drop-shadow(0 0 10px var(--swal2-validation-message-background));transition:box-shadow 0.5s}
@media (max-width:767px){.arena_center{background:url(/images/arena/battle/lighthouse-sanctuary.webp);background-size:100% 100%;background-position:center;background-repeat:no-repeat}.arena_board_slot .card-stats span{font-size:small}.card-stats .hp::after,.card-stats .atk::after,.card-stats .def::after,.card-stats .spd::after{width:20px;height:20px}.user-choose-card-list .card-stats span{font-size:x-small}.user-choose-card-list .card-stats .hp::after,.user-choose-card-list .card-stats .atk::after,.user-choose-card-list .card-stats .def::after,.user-choose-card-list .card-stats .spd::after{width:20px;height:20px}.arena_battle_info{display:grid;grid-template-columns:repeat(2,1fr);gap:5px}.arena_battle_score{font-size:32px;gap:8px;padding:6px 12px}.arena_battle_score .win-gif{width:24px;height:24px}.post-match-stats{width:100%}}
@media (min-width:768px){.arena_board{align-items:center;background:url(/images/arena/battle/lighthouse-sanctuary.webp);background-size:100% 100%;background-position:center;background-repeat:no-repeat;opacity:0;transition:opacity 800ms ease-out}.arena_center{flex-direction:row;align-items:stretch}.arena_opponent,.arena_user{flex:0 0 auto;display:flex;flex-direction:column;justify-content:space-between;gap:4px;padding:8px 4px;height:100%;direction:ltr;box-sizing:border-box}.card-stats span{font-size:large}.arena_user .slot.selected{transform:translateX(-20px);z-index:15;transition:transform 0.3s ease}.card-stats .hp::after,.card-stats .atk::after,.card-stats .def::after,.card-stats .spd::after{width:30px;height:30px}.user-choose-card-list .card-stats span{font-size:large}.user-choose-card-list .card-stats .hp::after,.user-choose-card-list .card-stats .atk::after,.user-choose-card-list .card-stats .def::after,.user-choose-card-list .card-stats .spd::after{width:30px;height:30px}}